Cylinder Head — Buick Roadmaster VIII (1991-1996)

Cylinder Head Buick Roadmaster VIII

Mechanical 1 illustration ~166 words

Note. Check and record compression before removing cylinder head. Remove cylinder head when engine is cold.

Removal

Disconnect negative battery cable. Remove intake manifold, exhaust manifold and valve covers. See «INTAKE MANIFOLD»(ref-49883-S41245960652001011600000), «EXHAUST MANIFOLD»(ref-49883-S15969680132001011600000) and «VALVE COVERS»(ref-49883-S18260450242001011600000).
Remove serpentine belt. Drain cooling system. Remove rocker arms and push rods. Ensure components are kept in order for installation reference. Remove cylinder head bolts in 3 steps in reverse order of tightening sequence. (Scheme 2) Remove cylinder head and gasket.

Clean carbon and gasket material from mating surfaces. Check cylinder head for warpage and cracks. Clean cylinder head bolt holes and threads.

Coat steel-type head gaskets with sealer. DO NOT coat composition-type head gaskets with sealer. Install head gasket onto cylinder block. Install cylinder head. Coat head bolts with Sealing Compound (1052080).
Tighten bolts to specification in 3 steps in sequence. (Scheme 2) See «TORQUE SPECIFICATIONS»(ref-49883-S03067805252001011600000). To complete installation, reverse removal procedure. Adjust valves as necessary. See «VALVE CLEARANCE ADJUSTMENT»(ref-49883-S14955009232001011600000) under ADJUSTMENTS.